CN213835081U

CN213835081U - Annular distributing device

Info

Publication number: CN213835081U
Application number: CN202022231429.5U
Authority: CN
Inventors: 马彦昭; 陶予锋; 王世斌
Original assignee: Henan Jinshida Thermal Energy Technology Co ltd
Current assignee: Henan Jinshida Thermal Energy Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-30
Anticipated expiration: 2030-09-30

Abstract

The utility model provides an annular distributing device relates to lime kiln technical field, and the main objective is to solve phenomenons such as "inclined to one side fire" and the kiln wall effect of shaft kiln, makes can evenly heat up in the kiln. The annular distributing device comprises a feeding unit, a driving unit and a discharging unit; the feeding unit is fixedly arranged above the discharging unit and communicated with the discharging unit, and the driving unit can drive the feeding unit to rotate and drive the discharging unit to rotate by taking the axis of the feeding unit as a shaft; the discharging unit comprises a trough, a baffle and an adjusting assembly, wherein the trough is fixedly arranged at an opening at the lower end of the feeding unit and extends downwards towards one side in an inclined manner; the adjusting component is fixedly arranged at the free end of the trough, a discharge hole is formed in the lower surface of the adjusting component, and the baffle can be arranged at different positions of the adjusting component to adjust the distribution range of the discharge hole.

Description

Annular distributing device

Technical Field

The utility model belongs to the technical field of the lime kiln technique and specifically relates to an annular distributing device is related to.

Background

The main component of limestone is calcium carbonate, the main component of quicklime is calcium oxide, and the basic principle of burning quicklime by limestone is that calcium carbonate in limestone is decomposed into quicklime (calcium oxide) and carbon dioxide by means of high temperature; the process comprises the following steps: and (3) putting limestone and fuel into a lime kiln, preheating, decomposing at 850 ℃, calcining at 1200 ℃, cooling, and discharging through the bottom of the lime kiln to finish the production of the quick lime product. The old lime kiln completely depends on manpower to load the prepared coal powder and stone materials from a kiln top discharging device during material distribution, and has the disadvantages of high dust noise and serious pollution. Modern times rely on mechanical equipment to accomplish the distribution. The distribution of the material in the kiln can influence the distribution of the airflow in the kiln, so that the firing speed of the whole section tends to be consistent. The material distribution device is required to realize the material distribution mode that large blocks are distributed in the center, edges of middle and small blocks are distributed, coke is distributed in two rows and the periphery, and coke is less added in the center. This distribution is especially necessary if the bulk of the material is not uniform.

At present, various distribution devices exist, but the phenomena of 'deflection fire', kiln wall effect and the like of a shaft kiln cannot be fundamentally solved, so that the firing speeds at the periphery and the center are not easy to be uniform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an annular distributing device to solve the above-mentioned technical problem who leads to because of the cloth that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an annular distributing device, which comprises a feeding unit, a driving unit and a discharging unit;

the feeding unit is fixedly arranged above the discharging unit and communicated with the discharging unit, and the driving unit can drive the feeding unit to rotate and drive the discharging unit to rotate by taking the axis of the feeding unit as a shaft;

the discharging unit comprises a trough, a baffle and an adjusting assembly, wherein the trough is fixedly arranged at an opening at the lower end of the feeding unit and extends downwards towards one side in an inclined manner; the adjusting component is fixedly arranged at the free end of the trough, a discharge hole is formed in the lower surface of the adjusting component, and the baffle can be arranged at different positions of the adjusting component to adjust the size of the discharge hole.

Under drive unit's effect, the feed unit can drive ejection of compact unit and rotate to discharge through ejection of compact unit with relevant material in the pivoted in-process: most of materials are directly discharged through a port at the lower end of the feeding unit, and a small part of materials are distributed in a circumferential shape through the trough, so that the effect that large blocks of materials are distributed in the center and small blocks of materials are distributed at the edge is achieved. In addition, the baffle and the adjusting component on the trough can conveniently adjust the specific range of the circumferential cloth.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

As a further improvement of the utility model, the adjusting component comprises a suspension arm, a U-shaped frame and a plate frame, the suspension arm and the U-shaped frame are respectively and fixedly arranged at the upper side and the lower side of the material groove, and the baffle and the U-shaped frame are mutually matched to form a discharge hole for discharging materials;

the baffle is fixedly arranged on the plate frame; the size of the discharge port can be adjusted by adjusting the position of the plate frame on the suspension arm and/or the U-shaped frame.

As a further improvement of the present invention, the upper surface of the suspension arm is downwardly concave to form at least two first grooves, the lower surface of the U-shaped frame is upwardly convex to form at least two second grooves, and the first grooves and the second grooves are both bar-shaped structures;

the plate frame can be fixed on the suspension arm and the U-shaped frame through the first groove and the second groove.

As a further improvement of the present invention, the driving unit includes a speed reducer, a first gear and a second gear, and the first gear and the second gear are engaged with each other;

the first gear is fixedly arranged at the lower end of the speed reducer and can rotate under the driving of the speed reducer, and the second gear is fixedly arranged on the outer peripheral side of the feeding unit; the second gear is driven by the first gear to rotate.

As a further improvement of the present invention, the feeding unit includes a fixed material pipe and a rotary material pipe, the rotary material pipe is located below the fixed material pipe and fixedly connected to the second gear.

As a further improvement of the present invention, the device further comprises an upper fixing bracket and a lower fixing bracket, wherein the upper fixing bracket is used for fixing the fixed material pipe, and the lower fixing bracket is used for fixing the rotary material pipe below the fixed material pipe; the lower fixing support is connected with the rotary material pipe through a bearing.

As a further improvement of the utility model, the upper end of the fixed material pipe is provided with a feed hopper.

As a further improvement of the utility model, the feeding unit still includes picture peg and electric putter, electric putter with the picture peg is connected, works as when electric putter starts, electric putter can promote the picture peg for fixed material pipe carries out the pull, thereby seals or opens fixed material pipe.

As a further improvement of the utility model, electric putter includes support frame and cylinder, the picture peg with cylinder fixed connection.

As a further improvement of the utility model, the fixed material pipe moves towards electric putter one side is provided with and supplies the socket of picture peg activity.

Compared with the prior art, the utility model provides an annular distributing device, the device includes feed unit, discharge unit and drive unit, wherein drive unit can drive discharge unit and feed unit to rotate and realize annular distribution, the material can flow through the lower extreme of feed unit and the discharge opening cloth that is located on the discharge unit respectively; the adjusting assembly on the discharging unit can conveniently adjust the size of the discharging port so as to control the distribution range of the materials; in addition, an inserting plate and an electric push rod are further installed on the outer side of the feeding unit, when the material distributing device stops distributing materials, the feeding hole can be sealed through the inserting plate, and dust or other impurities are prevented from falling into the device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an annular distributing device of the present invention;

FIG. 2 is an enlarged view of the structure of region A in FIG. 1;

fig. 3 is a schematic structural view of the electric putter of fig. 1.

In the figure: 1. a feed unit; 11. fixing the material pipe; 12. rotating the material pipe; 13. a feed hopper; 14. inserting plates; 15. an electric push rod; 151. a support frame; 152. a cylinder; 2. a drive unit; 21. a speed reducer; 22. a first gear; 23. a second gear; 3. a trough; 4. a baffle plate; 5. an adjustment assembly; 51. a suspension arm; 511. a first groove; 52. a U-shaped frame; 521. a second groove; 53. a plate frame; 6. a discharge port; 7. an upper fixing bracket; 8. and a lower fixing bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides an annular distributing device, which mainly comprises a feeding unit 1, a driving unit 2 and a discharging unit.

Specifically, the feeding unit 1 comprises a feeding hopper 13, a fixed material pipe 11 and a rotary material pipe 12 which are communicated with each other; the material enters the distributing device through a feed hopper 13 and then flows out after sequentially flowing through a fixed material pipe 11 and a rotary material pipe 12.

Rotatory material pipe 12 lower extreme fixedly connected with ejection of compact unit, this ejection of compact unit include the downward silo 3 that sets up of an slope, and this silo 3 is linked together with the lateral wall of rotatory material pipe 12, and the material that gets into in the rotatory material pipe 12 is except that the kiln is directly fallen into to the lower extreme through rotatory material pipe 12 in, and the kiln is fallen into through this silo 3 to some in still.

Because feed unit 1 and drive unit 2 fixed connection, consequently this drive unit 2 can drive feed unit 1 rotation and drive the ejection of compact unit and use feed unit 1's axis to rotate as the axle, and at this in-process, the material that falls into in the kiln through silo 3 can become an annular structure at the bottom of the kiln cloth.

It should be noted that the discharging unit comprises a baffle 4 and an adjusting assembly 5 besides the trough 3, wherein the baffle 4 and the adjusting assembly 5 are matched with each other to form a discharging port 6 with different opening sizes (or lengths), and the discharging port 6 can limit the distribution range of the material falling into the kiln through the discharging unit.

Under drive unit 2's effect, feed unit 1 can drive the discharge unit and rotate to discharge through discharge unit with relevant material in the pivoted in-process: most of materials are directly discharged through a port at the lower end of the feeding unit 1, and a small part of materials are distributed in a circumferential shape through the trough 3, so that the effect that large blocks of materials are distributed in the center and small blocks of materials are distributed at the edge is achieved. In addition, the baffle 4 and the adjusting component 5 positioned on the trough 3 can conveniently adjust the specific range of the circumferential cloth.

Specifically, the adjusting assembly 5 includes a boom 51, a U-shaped frame 52 and a plate frame 53, as shown in fig. 2, wherein the boom 51 and the U-shaped frame 52 are respectively and fixedly disposed at the upper side and the lower side of the trough 3, the upper surface of the boom 51 is downwardly concave to form at least two first grooves 511, the lower surface of the U-shaped frame 52 is upwardly convex to form at least two second grooves 521, and both the first grooves 511 and the second grooves 521 are bar-shaped structures; the plate frame 53 can be fixed to the boom 51 and the U-shaped frame 52 through the first groove 511 and the second groove 521. The baffle 4 is fixedly arranged on the plate frame 53, and the baffle 4 and the U-shaped frame 52 are matched with each other to form a discharge hole 6 for discharging materials; therefore, the size of the discharging port 6 can be adjusted by adjusting the position of the plate frame 53 on the suspension arm 51 and/or the U-shaped frame 52

In order to achieve the technical effects of the rotation of the feeding unit 1 and the discharging unit, as an alternative embodiment, the driving unit 2 includes a speed reducer 21, a first gear 22 and a second gear 23, and the first gear 22 and the second gear 23 are meshed with each other; the first gear 22 is fixedly arranged at the lower end of the speed reducer 21 and can rotate under the driving of the speed reducer 21, and the second gear 23 is fixedly arranged on the outer peripheral side of the feeding unit 1; the second gear 23 is rotated by the first gear 22.

Specifically, since the feeding unit 1 includes the fixed pipe 11 and the rotary pipe 12, the second gear 23 is fixedly provided on the outer peripheral side of the rotary pipe 12.

It should be noted that the lower end of the fixed material pipe 11 is attached to the rotary material pipe 12 or the lower end of the fixed material pipe 11 can be inserted into the rotary material pipe 12.

In order to conveniently fix the feeding unit 1, as an alternative embodiment, the device further comprises an upper fixing support 7 and a lower fixing support 8, wherein the upper fixing support 7 is used for fixing and fixing the material pipe 11, and the lower fixing support 8 is used for fixing the rotary material pipe 12 below the fixed material pipe 11; the lower fixed bracket 8 is connected with the rotary material pipe 12 through a bearing.

The drive unit 2 can be fixedly connected to the upper or lower mounting bracket 7, 8 by means of a corresponding machine base or other fastening device.

As an alternative embodiment, the feeding unit 1 further comprises an inserting plate 14 and an electric push rod 15, wherein the electric push rod 15 is connected to the inserting plate 14, and when the electric push rod 15 is activated, the electric push rod 15 can push the inserting plate 14 to be drawn relative to the fixed material pipe 11, so as to close or open the fixed material pipe 11.

As an alternative embodiment, the electric push rod 15 includes a support frame 151 and an air cylinder 152, and the insert plate 14 is fixedly connected with the air cylinder 152.

The cylinder 152 is fixed on the support frame 151 through a support, one end of the cylinder 152 is provided with a joint, a through pin, a gate plate and a poking column, and the cylinder 152 is fixedly connected with the plug board 14 through the components. One side of the fixed material pipe 11, which faces the electric push rod 15, is provided with a socket for the insertion plate 14 to move. Therefore, when the cylinder 152 is activated, the insert plate 14 can be inserted or extracted with respect to the fixed pipe 11 through the insertion opening, during which the opening and closing of the feeding unit 1 can be conveniently achieved.

Reasonable material distribution in the kiln is one of important technologies for producing high-quality limestone. The reasonable distribution in the kiln refers to that limestone and coal are distributed in the kilnThe inner points and the inner nets are uniformly distributed, and segregation of different materials is avoided; the charge level of the kiln top is in a flat and continuous saddle shape. The annular distributing device can realize the distributing mode, and meanwhile, the PLC is matched to control the variable-frequency speed regulator, so that the distributing process is more accurate and reliable. The device can be matched with 100-500m³The vertical kiln (the distribution radius is designed according to the kiln volume) is used.

When the annular distributing device is in abnormal calcination in use, the distribution of materials in the furnace can be changed by adjusting the position of the baffle 4, so that the operation condition of the furnace is adjusted, and the aim of adjusting the furnace condition to ensure normal calcination is fulfilled. The device can be adjusted within the range of phi 1000 mm-phi 5000 mm.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The annular distributing device is characterized by comprising a feeding unit, a driving unit and a discharging unit;

2. The annular distributing device according to claim 1, wherein the adjusting assembly comprises a suspension arm, a U-shaped frame and a plate frame, the suspension arm and the U-shaped frame are respectively and fixedly arranged at the upper side and the lower side of the trough, and the baffle and the U-shaped frame are mutually matched to form a discharge hole for discharging materials;

3. The annular distributing device according to claim 2, wherein the upper surface of the suspension arm is downwardly concave to form at least two first grooves, the lower surface of the U-shaped frame is upwardly convex to form at least two second grooves, and the first grooves and the second grooves are both in strip structures;

4. An annular distributing device according to claim 1, wherein the driving unit comprises a speed reducer, a first gear and a second gear, the first gear and the second gear being engaged with each other;

5. An annular distributing device according to claim 4, wherein the feeding unit comprises a fixed material pipe and a rotary material pipe, and the rotary material pipe is positioned below the fixed material pipe and is fixedly connected with the second gear.

6. An annular distributing device according to claim 5, further comprising an upper fixing bracket and a lower fixing bracket, wherein the upper fixing bracket is used for fixing the fixed material pipe, and the lower fixing bracket is used for fixing the rotary material pipe below the fixed material pipe; the lower fixing support is connected with the rotary material pipe through a bearing.

7. An annular distributing device according to claim 5, characterized in that the upper end of the fixed pipe is provided with a feed hopper.

8. An annular distributing device according to claim 5, wherein the feeding unit further comprises an inserting plate and an electric push rod, the electric push rod is connected with the inserting plate, and when the electric push rod is started, the electric push rod can push the inserting plate to pull relative to the fixed material pipe, so that the fixed material pipe is closed or opened.

9. An annular distributing device according to claim 8, wherein the electric push rod comprises a support frame and an air cylinder, and the inserting plate is fixedly connected with the air cylinder.

10. An annular distributing device according to claim 8, wherein a socket for moving the inserting plate is formed in one side of the fixed material pipe, which faces the electric push rod.